diff options
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_api.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 06e7c4a37245..acafaf7434fc 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -69,7 +69,7 @@ int __tcf_hash_release(struct tc_action *a, bool bind, bool strict) if (a->ops->cleanup) a->ops->cleanup(a, bind); tcf_hash_destroy(a); - ret = 1; + ret = ACT_P_DELETED; } } @@ -302,6 +302,32 @@ void tcf_hash_insert(struct tc_action *a) } EXPORT_SYMBOL(tcf_hash_insert); +static void tcf_hashinfo_destroy(const struct tc_action_ops *ops) +{ + struct tcf_hashinfo *hinfo = ops->hinfo; + struct tc_action a = { + .ops = ops, + }; + int i; + + for (i = 0; i < hinfo->hmask + 1; i++) { + struct tcf_common *p; + struct hlist_node *n; + + hlist_for_each_entry_safe(p, n, &hinfo->htab[i], tcfc_head) { + int ret; + + a.priv = p; + ret = __tcf_hash_release(&a, false, true); + if (ret == ACT_P_DELETED) + module_put(ops->owner); + else if (ret < 0) + return; + } + } + kfree(hinfo->htab); +} + static LIST_HEAD(act_base); static DEFINE_RWLOCK(act_mod_lock); @@ -333,7 +359,7 @@ int tcf_register_action(struct tc_action_ops *act, unsigned int mask) list_for_each_entry(a, &act_base, head) { if (act->type == a->type || (strcmp(act->kind, a->kind) == 0)) { write_unlock(&act_mod_lock); - tcf_hashinfo_destroy(act->hinfo); + tcf_hashinfo_destroy(act); kfree(act->hinfo); return -EEXIST; } @@ -353,7 +379,7 @@ int tcf_unregister_action(struct tc_action_ops *act) list_for_each_entry(a, &act_base, head) { if (a == act) { list_del(&act->head); - tcf_hashinfo_destroy(act->hinfo); + tcf_hashinfo_destroy(act); kfree(act->hinfo); err = 0; break; |